Product Info
Table Of Contents
- Maintenance
- 1 About this document
- 2 Preparations for maintenance
- 3 Periodic maintenance
- 4 Adjusting the 13 MHz clock
- 5 Troubleshooting
- 6 Replacing units
- 7 LED indicator conditions
DN9913495 © Nokia Corporation Draft 9 (52)
Issue 3-0 en Nokia Proprietary and Confidential
Summary of changes
Version 1, 12
th
November 1999.
Version 2, 22
nd
June 2000:
• Added GSM to title and body text
• Added high capacity fan assembly (Figure 5)
• Added 13 MHz clock adjustment procedure
Version 3, 30
th
June 2001:
• Updated for EDGE
• Added power supply rules, new fan controller module, BTS chaining
• Improved 13 MHz clock adjustment illustration
• Harmonised style
Version 3, July 2002:
• Note added to 13 MHz clock adjustment chapter that a high stability
frequency counter is required.
Version 3, October 2002:
• BTS Manager 3.0 commands added for replacing transmission unit.